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51.
“人类口头和非物质遗产保护”的由来和发展   总被引:10,自引:0,他引:10  
中国民族民间文化遗产保护工程和中国民间文化遗产抢救工程,是"全球性的人类口头和非物质遗产保护工程"的重要组成部分.本文对这一全球性工程30年来三大里程碑作历史回顾,并对世界遗产、文化遗产、自然遗产、文化景观、国家保护和国际保护、民间文化保护、人类口头和非物质遗产保护等,作了明确的阐述.  相似文献   
52.
基于O′Malley&Chamot的词汇记忆策略分类,以显性和课堂融入相结合的方式对114名福建农林大学2008级文理科大学生进行为期一学年的英语词汇记忆策略培训,旨在研究策略培训效果并对比文理科大学生词汇记忆策略培训效果的差异。研究结果表明:英语词汇记忆策略培训能提高文理科大学生的策略意识,为他们提供更多有效地记忆词汇的方法,扩大他们记忆策略的选择范围,提高他们的词汇水平。策略培训后想象策略和分类策略仍然不常被使用。文理科大学生在反复策略、联想策略、构词策略、分类策略、上下文记忆策略以及词汇水平提高程度上都存在显著差异,其诱因是不同的认知风格和学习动机。  相似文献   
53.

Heightened integration with the US coupled with the rise of an indigenous movement have challenged and strained long-held images regarding the US and the indigenous within Mexico. As a result, Mexico finds itself facing the difficult task of re-evaluating and reconstructing its national identity. This paper explores the traditional images of the US and the Indian shaping national identity in Mexico and the challenges posed today by neo-liberalism and neo-indigenismo. It sets out a range of current issues, explores the linkages and contradictions, and examines the state of national reform. Fundamentally, the paper strives to raise important theoretical questions and hence set the stage for further research into these issues.  相似文献   
54.
This article turns three different analytical mirrors onto the Xinhai Revolution – 1911, 1961, 2011 – in order to interrogate its evolving significance in the minds of China's Han ethnic and ruling elite. In particular, it seeks to demonstrates the discursive appropriation of the Qing nomadic frontier in the ways in which the 1911 Revolution is remembered and commemorated, exploring both the temporal and spatial dimensions of this appropriation, and how the revolution shifted from a bloody Han racial insurrection against Manchu power and privilege to a heroic celebration of the revival of a multiethnic Chinese nation-state in the face of foreign imperialism and oppression.  相似文献   
55.
Most of the long memory estimators for stationary fractionally integrated time series models are known to experience non‐negligible bias in small and finite samples. Simple moment estimators are also vulnerable to such bias, but can easily be corrected. In this article, the authors propose bias reduction methods for a lag‐one sample autocorrelation‐based moment estimator. In order to reduce the bias of the moment estimator, the authors explicitly obtain the exact bias of lag‐one sample autocorrelation up to the order n−1. An example where the exact first‐order bias can be noticeably more accurate than its asymptotic counterpart, even for large samples, is presented. The authors show via a simulation study that the proposed methods are promising and effective in reducing the bias of the moment estimator with minimal variance inflation. The proposed methods are applied to the northern hemisphere data. The Canadian Journal of Statistics 37: 476–493; 2009 © 2009 Statistical Society of Canada  相似文献   
56.
《Marriage & Family Review》2013,49(1-2):91-122
The FED (Families in Extreme Distress) Project described in this article was developed as an intervention model for families in extreme distress. The concept of families in extreme distress includes not only those families which have been widely regarded as multi-problem families for decades, but also those which may appear to be like any other middle class family. The dis- organization in family functioning that is created by an interaction of many problems results in a durable distress which is repeated throughout successive generations. The intervention design of this project was structured and short- term, and each family in the group met once a week in their own home for ten sessions with a therapeutic team composed of three workers. The target of the intervention was the functioning of the entire family as a unit; and goals included clarifying boundaries, strengthening roles, and developing a communication system. Analysis of the therapeutic sessions revealed several techniques which are useful for intervention with the FED population. The intervention process with these families should be multilevel and case management should not only include providing family therapy, but also advocating and mediating with various institutions in the community, as well as making connections for financial assistance.While some major policy changes may be required to meet the finan- cial and manpower needs involved in such a model, this demonstra- tion project indicates that investing the right resources is worthwhile for effecting change within the FED population.  相似文献   
57.
Decision making theory in general, and mental models in particular, associate judgment and choice. Decision choice follows probability estimates and errors in choice derive mainly from errors in judgment. In the studies reported here we use the Monty Hall dilemma to illustrate that judgment and choice do not always go together, and that such a dissociation can lead to better decision-making. Specifically, we demonstrate that in certain decision problems, exceeding working memory limitations can actually improve decision choice. We show across four experiments that increasing the number of choice alternatives forces people to collapse choices together, resulting in better decision-making. While choice performance improves, probability judgments do not change, thus demonstrating an important dissociation between choice and probability judgments. We propose the Collapsing Choice Theory (CCT) which explains how working memory capacity, probability estimation, choice alternatives, judgment, and regret all interact and effect decision quality.   相似文献   
58.
Long-range dependence and structural changes in level are intimely related phenomena and it is very difficult to separate the two effects. In this article, we present an empirical procedure to distinguish between long-memory and occasional-break processes. An extensive Monte Carlo experiment illustrates the performance of the procedure and an application to real data is also included.  相似文献   
59.
The main goal of this work is to consider the detrended fluctuation analysis (DFA), proposed by Peng et al. [Mosaic organization of DNA nucleotides, Phys. Rev. E. 49(5) (1994), 1685–1689]. This is a well-known method for analysing the long-range dependence in non-stationary time series. Here we describe the DFA method and we prove its consistency and its exact distribution, based on the usual i.i.d. assumption, as an estimator for the fractional parameter d. In the literature it is well established that the nucleotide sequences present long-range dependence property. In this work, we analyse the long dependence property in view of the autoregressive moving average fractionally integrated ARFIMA(p, d, q) processes through the analysis of four nucleotide sequences. For estimating the fractional parameter d we consider the semiparametric regression method based on the periodogram function, in both classical and robust versions; the semiparametric R/S(n) method, proposed by Hurst [Long term storage in reservoirs, Trans. Am. Soc. Civil Eng. 116 (1986), 770–779] and the maximum likelihood method (see [R. Fox and M.S. Taqqu, Large-sample properties of parameter estimates for strongly dependent stationary Gaussian time series, Ann. Statist. 14 (1986), 517–532]), by considering the approximation suggested by Whittle [Hypothesis Testing in Time Series Analysis (1953), Hafner, New York].  相似文献   
60.
中国股市波动性与成交量共同的长期记忆性研究   总被引:8,自引:0,他引:8       下载免费PDF全文
研究了上证30指数和深圳成分指数所含个股的成交量与收益波动性的长程相关关系.文章应用多变量频域两步半参数估计方法,辅助数据加窗技术对非平稳时间序列的长期记忆性进行了一致有效的估计.研究结果发现中国股票市场的成交量和波动性均具有显著的长期记忆性,并且对于大多数股票而言,成交量序列与波动性序列具有相同的长期记忆性.表明同时驱动成交量和收益波动性的潜在信息流本身具有长期记忆特征.  相似文献   
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